CN108048854A - A kind of recovery and treatment method of aluminium scrap pop can - Google Patents
A kind of recovery and treatment method of aluminium scrap pop can Download PDFInfo
- Publication number
- CN108048854A CN108048854A CN201711368561.7A CN201711368561A CN108048854A CN 108048854 A CN108048854 A CN 108048854A CN 201711368561 A CN201711368561 A CN 201711368561A CN 108048854 A CN108048854 A CN 108048854A
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- aluminium
- parts
- recovery
- pop
- treatment method
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/12—Light metals
- C23G1/125—Light metals aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of scrap
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/0007—Preliminary treatment of ores or scrap or any other metal source
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/0038—Obtaining aluminium by other processes
- C22B21/0069—Obtaining aluminium by other processes from scrap, skimmings or any secondary source aluminium, e.g. recovery of alloy constituents
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention discloses a kind of recovery and treatment method of aluminium scrap pop can, including following operating procedure：（1）By the discarded pop can of recycling after break process, add in except in paint solution, after abundant 10 15min of immersion treatment, taking out, then adding in aluminium chips into hot environment, after 40 50min of processing, be cooled to room temperature, cleaned using clear water；（2）By step（1）Aluminium chips obtained are added in into high temperature furnace, after being completely melt, add in grain refiner thereto, after being mixed evenly, continue 60 100min of isothermal holding, after being cooled to 200 DEG C, carry out homogenizing annealing, after being subsequently cooled to room temperature, finished product.A kind of recovery and treatment method of aluminium scrap pop can provided by the invention, easy to operate, of low cost, aluminium material obtained have excellent performance, are used without degrading, and greatly improve the value of aluminium scrap pop can.
Description
Technical field
The invention belongs to easy open can recovery technology fields, and in particular to a kind of recovery and treatment method of aluminium scrap pop can.
Background technology
With the rapid expansion of the relevant markets demand such as China's beverage, beer, the growth of aluminium ring pull end usage amount also pole
To be rapid.It is reported that the consumption figure of the annual aluminium scrap pop can in China is up to 22,000,000,000, nearly 300,000 tons of good aluminium is consumed.With
Electrolytic aluminium is produced by aluminum ore to compare so as to further produce aluminium ring pull end, it is easy-to-draw by the waste and old aluminum of recycling utilization
Tank, which produces new pop can, can at least save 97% energy, and reduce by 95% CO2 emissions and 97% water pollution,
Recycling, high-valued comprehensive regeneration are carried out to waste non-ferrous metals, can largely alleviate china natural resources pressure, is dropped
The low cost of raw material, will be as the important channel for solving the shortage of China's nonferrous metal resource and the crucial ring of the Implement of sustainable development
Section.Discarded pop can resource domestic at present is not recycled reasonably, its material is advanced aluminum alloy materials,
But due to the technical problem in China so that its almost all is downgraded utilization, significantly limits aluminium scrap pop can
It recycles.
The content of the invention
In order to solve the above technical problem, the present invention provides a kind of recovery and treatment methods of aluminium scrap pop can.
The present invention is achieved by the following technical solutions.
A kind of recovery and treatment method of aluminium scrap pop can, including following operating procedure：
（1）By the discarded pop can of recycling after break process, add in and extremely remove in paint solution, abundant immersion treatment 10-15min
Afterwards, take out, then add in aluminium chips into hot environment, after handling 40-50min, be cooled to room temperature, cleaned using clear water,
Wherein except paint solution is made of the component of following parts by weight：17-20 parts of ethylenediamine base propanesulfonate, isocitric acid trisodium salt 10-15
Part, 7-9 parts of calcium metaborate, 2-5 parts of hydrolysis of polymaleic anhydride, 490-520 parts of water；
（2）By step（1）Aluminium chips obtained are added in into high temperature furnace, after being completely melt, add in crystal grain refinement thereto
Agent after being mixed evenly, continues isothermal holding 60-100min, after being cooled to 200 DEG C, carries out homogenizing annealing, then cools down
To room temperature, finished product, wherein grain refiner are made of the component of following parts by weight：14-20 parts of zirconium difluoride, aluminium nitride
4-8 parts, 2-5 parts of aluminum fluoride.
Specifically, above-mentioned steps（1）In, the temperature of hot environment is 350-400 DEG C.
Specifically, above-mentioned steps（2）In, the temperature of the thawing aluminium in high temperature furnace is 740-750 DEG C.
Specifically, above-mentioned steps（2）In, the addition of grain refiner is the 0.1-0.5% of aluminium chips quality.
Specifically, above-mentioned steps（2）In, the temperature of homogenizing annealing is 550-580 DEG C, when processing time is 4-5 small.
From the above technical scheme, it can be seen that the beneficial effects of the invention are as follows：
A kind of recovery and treatment method of aluminium scrap pop can provided by the invention, easy to operate, of low cost, aluminium material obtained,
It with excellent performance, is used without degrading, greatly improves the value of aluminium scrap pop can.Wherein, it is provided by the invention to remove
Paint solution in hot environment, can fall off effectively the paint on pop can surface, will not have in pop can fractal surfaces and appoint
What is remained；Grain refiner provided by the invention can effectively promote every mechanical property of recycling aluminium so that it need not
Degrade and use.
Specific embodiment
Below by specific embodiment, the present invention is described in detail, but the purposes of these illustrative embodiments and
Purpose is only used for enumerating the present invention, not forms any type of any restriction to the real protection scope of the present invention, more non-to incite somebody to action
Protection scope of the present invention is confined to this.
Embodiment 1
A kind of recovery and treatment method of aluminium scrap pop can, including following operating procedure：
（1）By the discarded pop can of recycling after break process, add in removing in paint solution, after abundant immersion treatment 10min, take
Go out, then add in aluminium chips into hot environment, after handling 40min, be cooled to room temperature, cleaned using clear water, wherein paint removal
Liquid is made of the component of following parts by weight：17 parts of ethylenediamine base propanesulfonate, 10 parts of isocitric acid trisodium salt, 7 parts of calcium metaborate,
2 parts of hydrolysis of polymaleic anhydride, 490 parts of water；
（2）By step（1）Aluminium chips obtained are added in into high temperature furnace, after being completely melt, add in crystal grain refinement thereto
Agent after being mixed evenly, continues isothermal holding 60min, after being cooled to 200 DEG C, carries out homogenizing annealing, is subsequently cooled to room
Wen Hou, wherein finished product, grain refiner are made of the component of following parts by weight：14 parts of zirconium difluoride, 4 parts of aluminium nitride, fluorine
Change 2 parts of aluminium.
Specifically, above-mentioned steps（1）In, the temperature of hot environment is 350 DEG C.
Specifically, above-mentioned steps（2）In, the temperature of the thawing aluminium in high temperature furnace is 740 DEG C.
Specifically, above-mentioned steps（2）In, the addition of grain refiner is the 0.1% of aluminium chips quality.
Specifically, above-mentioned steps（2）In, the temperature of homogenizing annealing is 550 DEG C, when processing time is 4 small.
Embodiment 2
A kind of recovery and treatment method of aluminium scrap pop can, including following operating procedure：
（1）By the discarded pop can of recycling after break process, add in removing in paint solution, after abundant immersion treatment 13min, take
Go out, then add in aluminium chips into hot environment, after handling 45min, be cooled to room temperature, cleaned using clear water, wherein paint removal
Liquid is made of the component of following parts by weight：18 parts of ethylenediamine base propanesulfonate, 13 parts of isocitric acid trisodium salt, 8 parts of calcium metaborate,
3 parts of hydrolysis of polymaleic anhydride, 500 parts of water；
（2）By step（1）Aluminium chips obtained are added in into high temperature furnace, after being completely melt, add in crystal grain refinement thereto
Agent after being mixed evenly, continues isothermal holding 80min, after being cooled to 200 DEG C, carries out homogenizing annealing, is subsequently cooled to room
Wen Hou, wherein finished product, grain refiner are made of the component of following parts by weight：16 parts of zirconium difluoride, 6 parts of aluminium nitride, fluorine
Change 3 parts of aluminium.
Specifically, above-mentioned steps（1）In, the temperature of hot environment is 380 DEG C.
Specifically, above-mentioned steps（2）In, the temperature of the thawing aluminium in high temperature furnace is 745 DEG C.
Specifically, above-mentioned steps（2）In, the addition of grain refiner is the 0.3% of aluminium chips quality.
Specifically, above-mentioned steps（2）In, the temperature of homogenizing annealing is 570 DEG C, when processing time is 4.5 small.
Embodiment 3
A kind of recovery and treatment method of aluminium scrap pop can, including following operating procedure：
（1）By the discarded pop can of recycling after break process, add in removing in paint solution, after abundant immersion treatment 15min, take
Go out, then add in aluminium chips into hot environment, after handling 50min, be cooled to room temperature, cleaned using clear water, wherein paint removal
Liquid is made of the component of following parts by weight：20 parts of ethylenediamine base propanesulfonate, 15 parts of isocitric acid trisodium salt, 9 parts of calcium metaborate,
5 parts of hydrolysis of polymaleic anhydride, 520 parts of water；
（2）By step（1）Aluminium chips obtained are added in into high temperature furnace, after being completely melt, add in crystal grain refinement thereto
Agent after being mixed evenly, continues isothermal holding 100min, after being cooled to 200 DEG C, carries out homogenizing annealing, is subsequently cooled to
After room temperature, finished product, wherein grain refiner are made of the component of following parts by weight：20 parts of zirconium difluoride, 8 parts of aluminium nitride,
5 parts of aluminum fluoride.
Specifically, above-mentioned steps（1）In, the temperature of hot environment is 400 DEG C.
Specifically, above-mentioned steps（2）In, the temperature of the thawing aluminium in high temperature furnace is 750 DEG C.
Specifically, above-mentioned steps（2）In, the addition of grain refiner is the 0.5% of aluminium chips quality.
Specifically, above-mentioned steps（2）In, the temperature of homogenizing annealing is 580 DEG C, when processing time is 5 small.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail in good embodiment, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and scope of technical solution of the present invention, should all be covered at this
Among the right of invention.
Claims (5)
1. a kind of recovery and treatment method of aluminium scrap pop can, which is characterized in that including following operating procedure：
（1）By the discarded pop can of recycling after break process, add in and extremely remove in paint solution, abundant immersion treatment 10-15min
Afterwards, take out, then add in aluminium chips into hot environment, after handling 40-50min, be cooled to room temperature, cleaned using clear water,
Wherein except paint solution is made of the component of following parts by weight：17-20 parts of ethylenediamine base propanesulfonate, isocitric acid trisodium salt 10-15
Part, 7-9 parts of calcium metaborate, 2-5 parts of hydrolysis of polymaleic anhydride, 490-520 parts of water；
（2）By step（1）Aluminium chips obtained are added in into high temperature furnace, after being completely melt, add in crystal grain refinement thereto
Agent after being mixed evenly, continues isothermal holding 60-100min, after being cooled to 200 DEG C, carries out homogenizing annealing, then cools down
To room temperature, finished product, wherein grain refiner are made of the component of following parts by weight：14-20 parts of zirconium difluoride, aluminium nitride
4-8 parts, 2-5 parts of aluminum fluoride.
A kind of 2. recovery and treatment method of aluminium scrap pop can according to claim 1, which is characterized in that above-mentioned steps（1）
In, the temperature of hot environment is 350-400 DEG C.
A kind of 3. recovery and treatment method of aluminium scrap pop can according to claim 1, which is characterized in that above-mentioned steps（2）
In, the temperature of the thawing aluminium in high temperature furnace is 740-750 DEG C.
A kind of 4. recovery and treatment method of aluminium scrap pop can according to claim 1, which is characterized in that above-mentioned steps（2）
In, the addition of grain refiner is the 0.1-0.5% of aluminium chips quality.
A kind of 5. recovery and treatment method of aluminium scrap pop can according to claim 1, which is characterized in that above-mentioned steps（2）
In, the temperature of homogenizing annealing is 550-580 DEG C, when processing time is 4-5 small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711368561.7A CN108048854A (en) | 2017-12-18 | 2017-12-18 | A kind of recovery and treatment method of aluminium scrap pop can |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711368561.7A CN108048854A (en) | 2017-12-18 | 2017-12-18 | A kind of recovery and treatment method of aluminium scrap pop can |
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| Publication Number | Publication Date |
|---|---|
| CN108048854A true CN108048854A (en) | 2018-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711368561.7A Pending CN108048854A (en) | 2017-12-18 | 2017-12-18 | A kind of recovery and treatment method of aluminium scrap pop can |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222415A (en) * | 2020-09-29 | 2021-01-15 | 宁波科星材料科技有限公司 | Method for preparing cobalt-based permanent magnet material by using cobalt-based reclaimed material |
-
2017
- 2017-12-18 CN CN201711368561.7A patent/CN108048854A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222415A (en) * | 2020-09-29 | 2021-01-15 | 宁波科星材料科技有限公司 | Method for preparing cobalt-based permanent magnet material by using cobalt-based reclaimed material |
| CN112222415B (en) * | 2020-09-29 | 2023-09-26 | 宁波科星材料科技有限公司 | Method for preparing cobalt-based permanent magnet material by using cobalt-based reclaimed material |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180518 |